2,4-D Choline salt, 100mg

4-Methylnonane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17301-94-9

Chlorpyrifos, 100 µg/ml, Acetonitrile, 5ml

Methanol QC Reference Mixture III n-Butyl sulfide, 0.5 ppm (weight S by weight) in 99.9 % methanol; units: 1x10mL, 5x10mL